Allow account username change especially for those with emails as logins.

User configurable email feed.
(Example: games played, games purchased, achievements unlocked, steam activity, discounts for games in wishlist, discounts for dlc by owned games, game updates, general announcements and community updates, discussion updates, new comments, updates to steam groups etc.)

Add a login history with device, IP used, plus time and date

Redeem code dialog to include "Redeem another product" after redeeming one so the dialog doesn't close out and it just goes back to entering a new key.

Key Validator - See if key is valid and unclaimed yet.

When reconnecting do not wipe out password

Include trading card system and market activities.
(Example: friends get new cards, craft new badges)

Add options to let users choose what to publish to their friend's feed.
(Example: Not showing purchases to friends.)

Ability to hide/delete posts in the feed.
(Example: One of your friends adds a .gif that is annoying)

Ability to edit own statuses and comments

Add DLC collectors badge

Game-themed Steam skins as rewards for crafting game badges

Ability to feature previous earned badges on profile.

Make a page that shows all the possible badges that can be earned per game so new games can be discovered and bought that have cards.

Ability to get a high quality printable card image, when owning or completing badge

Get more XP from a foil badge - as its harder to craft

Add "General Steam" or "Steam Help & Tips" category for guides.

Ability to create albums for screenshots

Artwork Versioning, ability to show old versions with the new

Sort favorite guides by game

A visual way in the guide list to see that you already rated it up.

Ability to get to friend's workshop or inventory through friendslist instead of having to go to profile first

When searching for groups in friendlist, toggle to only search for group name not the player's names that are in groups.

Notifications viewable in friendlist box for those that don't have the client window up.
Example:(http://steamproxy.net/discussions/forum/10/828934089572067933/#c864975632466692413)

Suggest a friend option

Friend management interface for adding/removing friends from categories outside of the current friend dialog window

Custom friend chat statuses

Notification when someone accept your friendship offer (like invite notification)

Ability to change the name of the group.

Ability to post group statuses, create polls, and Message of the Day

Settings to stop random group invite spamming.
(Example: Allow everyone, Allow friends, Allow friends and friends, Disable invites.)

Add upcoming group events and announcments in the overlay.

Advanced Group Searching
(Example: Search by group metadata like date created, steam level, alphabetical, country, group servers, steam server browser by playing user)

Group game comparisons
(Example: Find out what games each have, which ones are ready to play, which ones need to download or purchase specific game targeted.)

When inviting friends to group, hide friends that are already in the group

Show how many hours per game played by group.

Show a group feed for submitted group content.

Show the date the member joined the group.

Ability to add forums that the group is part of, by link.

By optional group options, allow a 3rd choice for invitations, "request invite" this should work like a friend invite where the group leader or moderators can accept the invite into the private group.

otification that a group voice chat was dropped/disconnected

Game keys redeemed as inventory gifts.

Stackable items, showing the count of how many you have rather than each a slot.

Delete or completely hide a panel of inventory items from games that you will no longer play.
(Example: Getting rid of spiral knight items that I no longer want to see in my inventory ever.)

Ability to delete coupons that we will never use or give away instead of allowing them to expire.

Ability to delete Trading Cards

New tab in inventory for cards, backgrounds and emotes

Show original price, discount and total to be paid at checkout on the coupon in the inventory.

Add a public and private inventory, things in public are viewable and open for trade.

Show only duplicate items in inventory filter

Calculate games by days, hours, minutes instead of just hours.

Ability to completely hide the recently played section along with the biweekly hour tracking.

Show the time spent on the recent activity for each game per the 2 week total.

Drop and drag functionality to rearrange sections of the profile to our liking.
(Example: Some people want their comments up top instead of the bottom)

Ability to re-order Steam Groups

Show user published statuses within profile.

Ability to delete achievements or make a game private so that achievements won't show.

Ability to choose multiple backgrounds that will cycle on the profile.

Show friends or everyone the servers I play on on my profile.

Remove avatar restrictions from upload, add in a cropper.

A link to official avatars per game instead of "viewing all".

Ability to completely hide your steam rating from your profile and hover popups.

A total achievement revamp, point scaling based on percentage of people that have said achievement.

A better display of said achievement in the form of badges for 100% completion.

Ability to sort achievement on the date recieved

Show users' status even when game is launched

XP awarded for greenlight votes, useful reviews (Bad reviews loose xp)

Order friendslist, show top assigned friends

Filter options for groups, specific users, etc. For friend activity feed

Video, Greenlight, Favorite Friends, and Wishlist Showcases

Allow removing an item from the Item Showcase

Toggle arrow to slide down DLC owned for that game.

Hide games from publically viewable gamelist.

DLC List like game list but only lists DLC

Sort Achievements by more measurements, for example, Time unlocked, Rarity, how close to unlock

Add option to hide/show all emoticons

Toggle on/off of opening links in your external browser

Opt out/in free weekend games adding to your library

Opt out/in email notification of free weekend games

Opt in/out of receiving trading card drops

Opt in/out of receiving achievement unlocks

In interface tab under settings, for favorite window, add Profile as a choice.

Bandwidth throttle slider bar on main steam hud. Add more options such as, idle speed setting, bandwidth balance setting (i.e., if other apps are using BW, then throttle back), calendar/time schedule setting, i.e., after 1am, go full throttle, except on weekends

Ability to block group notifications/announcements.

Ability to choose which corner notifications should popup from

Multiple tab support.

Spell checker and Standardize formatting on Forum, Recommendations, Guides Etc.

Customizable font size

Minimize Steam Client when a game launches.

HTML5 Video

Ability to accept or deny a key after Steam tells you what it is.

Make viewing a full screenshot a one step process
(Example: Currently you need to go through three steps to even view the full screenshot.)

Add links below the uploaded screenshots to the uploader interface after uploading screenshot(s)

Ability to craft ingame items (e.g. TF2 weapons) in steam client

Game launching profiles that have saved commands when launching a game. When a game is launched a profile can be selected telling it how to launch the game.

Multiple entry steam key redeeming.
(Example: A textbox that has each key as a new line or a way to never close the redeem window unless user hits cancel so keys can keep being entered uninterupted. Redeeming bundles can be an annoyance.)

Alert us through notifications before planned downtime takes place.
(Example: Clans that have scheduled matches would be able to plan around it.)

Option in the installer to NOT update the game and only use the disc content for retail purchases.

Add tagging to screenshots and videos by user choice, a user has the option in settings to grant or automatically disable tagging for any shot or video they are in.
(Example: Facebook tagging)

Option to completely disable big picture mode getting rid of the button on the client.

Add support for android ports of steam games.

Allow the installers to be deleted after first-run setup has finished, without Steam insisting on downloading them again with the next update. At least allow users to back up games even if the redists (or other files) are missing. Just give a warning about it instead of disallowing it entirely.

Ability to alert server information via notification for when a favorite server is running a certain map, a specified player joins the server, etc.

Make all cloud saves managable through a UI and ability to selectively exclude files that should never sync.

Adding drop-downs for the back & forward buttons, so that one can jump directly to a certain point in their navigation history, not have to go back/forward one step at a time.

Make it easier to find out how to redeem a key in Steam, for a new user it's not apparent.

Ability to set Steam Client language separate from game version language.

Informed about deals on wishlist via steam notifications

Pressing back from a game page that you come in from a search will return to the search page you were on

Check common used drivers and files on the client instead of checking each new game installed
(Example: Direct X)

Game properties dialog unreadable for long game and DLC names. Can not resize the dividers to see them.
http://steamproxy.net/sharedfiles/filedetails/?id=160755921

Be able to search for maps currently playing or in the full map cycle (server directory) per server for supported multiplayer games within the Steam Client itself.

Fix achievements so that they can not be achieved by cheating.

Fix achievements that are unlocking, but showing 0% of players have unlocked in stats

Offline mode to not require client/game updates in order to play, any game that doesn't require some form of communication with a server should be playable offline with zero restrictions.

Have installer check for file discovery BEFORE checking for required install space.

Take a screenshot when achievement is awarded

Touch screen friendly

Notification sound for friend invites and trade offers

Popups should not steal focus

Steam In-Game Broadcasting

Make achievements achievable for all games while in offline mode
As of 24/08/14 some achievements work in offline mode and some don't. It's also currelty impossible to know if the achievements for a particular game work in offline mode.

Add a synchronization option to sync offline achievements earned to steam profile.

High DPI support for more systems (Windows 7 and so on)

Allow 3rd parties to intergrate
(Example: Netflix, Twitch)

Built-in RSS and mail reader

HTPC features to play videos and perhaps scrape your archive with TheTVDB like XBMC does. You could have Steam update your status based on what you are playing.

Option for verifying game cache

Easily record videos of games and upload the videos to YouTube. It can easily record video in non-patented codecs and/or encode them after recording for upload to your YouTube account.

Better voice chat support

Make group chat available in Big Picture
As of 10/07/2014 the only way to group chat and voice group chat in Big Picture is to use a menu from the Desktop client. Now that Steamboxes are about to be released, Voice group chat is an essential feature to have.

Native views for All Achievements and community discussions in BP mode.

Third-party messaging systems (Skype, Facebook, Viber etc.) integration also in BP mode

Use xbox button to pop up BP mode when steam client is minimized

Touch screen friendly

Update browser to a newer chrome framework (CEF3).

Add various features/toggles to browser
(settings tab, cookies enable/disable/no third-party, "Do-not-track Header", Flash enable/disable, Javascript enable/disable, cache clearing, delete cookies, history, delete history, block popups)

Type in address bar.

Chat "friend" filtering by groups or individuals
(Example: There should be a way to turn on/off per friend to show yourself as online to them. {ENLACE ELIMINADO}http://i.snag.gy/OPeAv.jpg)

Setting to turn off offline message history.

Ability to mute own mic and others during a voice chat.

Setting to change the chat's font size.

Option to specify specific games to add to "Looking to play" tag.

Ability to send private messages to users not in friends list, if they have enabled it.

Better voice chat with channels and sub channels, without it hosted on a person's network.

A do not disturb option to block all incoming friend chats and notifications outside of the game you are playing.

The ability to sub category emoticons in the chat menu

Sort Emoticons by Game and not alphabetical

Isolate voice chat from in-game audio and give us the choice of setting voice chat output to another device.

auto-response message when not set to online

Seperate volume sliders for each person in voice chat

Create custom public chat rooms by game

Ability to send files in chat

Ability to view/comment/create discussions

Ability to disable image loading to avoid data charges.

Two part authentication using your phone instead of email.

Ability to trade

View market and greenlight

Add payment option - pay by phone

Proper tablet support with the mobile app on android

Allow editing and display of profile

Widget like interface to add various features
(Example: Twitter, Music player, notepad, etc.)

Downloading Widget
(Example: When downloading something in the background it'll show you the time left, how much it downloaded, download speed, and name of the game.)

Twitch Live Streaming

Option to Record/Edit/Publish Video of your gameplay.

Move events back in overlay.

Group chat overlay in game so that you can see who is talking.

Text to speech option so that you can hear what someone just typed when they don't have a mic

Set Home Page per a game in the overlay browser in-game
(Example setting a Wiki or a help page for the game)

Indication that a game is installed remotely instead of looking at "Size on Disk" to determine.

While In Home Streaming is connected and you are installing\patching a game that exists on a remote machine, the ability to get that data over the local network.

Ability to trade with steam wallet cash.

Access to a trade log after trade is complete, ability to save as text/HTML.

Diplay average market prices for items while trading.

Show what you traded away on the confirmation screen that shows you what you received.

Ability to leave a message when accepting/declining a trade offer.

Option to click Change Offer if items get traded away to put in different items for the trade.

Add a comment box for trade offers

A new tab on the game page to see the available badges and trading cards, coloured when you have already obtained them.

Where there is a store link in the community page there should be a play button.

Top list of steam users with most xp, most badges, etc.

Set a language for guides to show only those

Ignore User Option

Like Google instant similarly search named threads when typing in the thread title box.
(Example: Typing "Looking" in the title box of a new thread would return threads like "Looking to play", etc.)

Link user's Post History in their profile
While the possibility of seeing your own Post History has been added, the only way to see another user's Post History is to manually edit their custom ID in the URL. An automatic way to see their Post History, for example by adding a link in their profile, would make the process a lot quicker.

Thumbs up and down option for posts and threads or rating system for users.

Request for sticky option

Report Thread
(Example: sometimes the entire thread should be reported so it can be closed or removed.)

Auto complete of people on forums and games.
(Example: @Hashbrick or +Team Fortress classic.)

Forum Signatures

WYSIWYG editor

Ability to turn off/on profanity filter.

Show how many times a thread is viewed

A icon that shows you are subscribed to a thread.

Total post count by user

Ability to search threads by most viewed, most replied, most voted (if thumbs up added).

Add polls to steam forums

Be able to list multiples of the item at a time.

Add a cart like system to the community so that you can easily add items to a cart rather than click through multiple pages to buy one item at a time.

Mark items you already own in the market

3-5 second wait time till you can make another transaction.

Make the terms of agreement a one time read and agreement not on each transaction.

Ability to disable showing or put in a new tab the "Now Selling" list at top of market. Anyone selling a mass amount of items does not want to see this.

Show detailed market graphs for items that have different effects or stats

Ability to purchase multiple of the same item

Tell me what position a item I am selling is in the overall queue for the item

Workshop for Steam skins

Ability to hide workshops for games you don't even own.

Ability to add links to external sites on workshop items besides Reddit, Polycount and Facebook.
(Example: tumblr blog or other profiles.)

Text Based (Line Based) view for workshop, allows more room for more mods in a list like form without the images.[/quote]

Ulimited sub categories under a main category

Ability to create "tabs" to make complete lists.
(Example: Create our own list like "Installed" that follows categories.)

Drop and drag library organization.

Hotkeys or Shortcuts
(Example: Allowing us to access frequently accessed features set category, add to favourites, remove from favourites, display favourites, or display installed using hotkeys, and not just through the time-consuming right-click menu or drop down menus.)

More Sort Support
(Example: Being able to quickly sort our game library by criteria such as "most recently played", "percent of achievements completed", "fewest hours played", "Local Coop", "Controller Enabled" etc.)

Owned DLC link
(Example: Link on library game page to quickly show all DLC for a game rather than a user having to right click game, go to properties and then DLC tab.)

Toggle arrow to slide down DLC owned for game that is highlighted if any.

Extras Link
(Example: When you click on game in your library that appears on the righthand side where all the links are to access its "extras" such as a soundtrack or any other digital content that isn't game related.)

Add game details, such as, controller support, multiplayer, etc. to the game's library page. Ideally the same box that is in the store, would be perfect.

Scriptable UI

Add an option in the context menu (right-click menu) of games, to allow the moving of installed games from one "steam library folder" to another.

Ability to add notes per game to document events or achievement only viewable to self and in the library.
(Example: I beat this game on hard! Next Nightmare!)

Add a new category in the library menu as "Free to Play" where it lists all the F2P games available installed or not.

Allow users to customize the game thumbnails on all views. Not just the big icons view.

Small icon by game name showing if the game has card drops

Synchronise a game's launch options to the steam cloud

In the game's property dialog, instead of having a button 'launch options' just have the textfield.

Option to make Steam strick check and only show games in the library by what's purcahsed on said account, instead of what's on the harddrive.

On each category in the library have the total of games within that category as well as the total hours.

Gather computer specs and then filter out games that the system can't run.

Have a direct link to each game's corresponding badge status/card collection in the Links in the library view

Convert categories into tags, tag cloud at the top of the list and let us add as many tags to a game as we like. Allowing for unlimited sorting.

Show date of last backup and date of last update for each game when viewed or detailed view

Better error handling for cdkey issues

List of all owned games and their percentages of completion of the Steam Achievements

Ability to verify the cache of all games already downloaded and ready to play, instead of doing each one via, right click, properties, blah.

Add icons to specify certain aspects on gamelist. - https://dl.dropboxusercontent.com/u/42420881/Next_Steam.png

Ability to add custom game names that display instead of the official title in your own library

Show the date we purchased or activated game

Display which games are steamplay with an icon

Add Non-Steam Games into a Non-Steam Base Category instead of Games

Adjusting the screenshot upload window makes preview image bigger.

Add a game filter in your library, Green for games you have completed, Yellow for games in progress and Red for games you have never played ( Manual filter ).

Add non-steam games Playtime in another color next to the original version of the game ( if it's on steam ) else just add the non-steam game time in the normal spot ( Example: ( http://i.imgur.com/clNyJz1.png ).

Add Launch Options for non-steam games

Backup window to sort in alphabetical order.

Remember the last settings that were used for backups.
(Example: Backups in D:\backups\steam games and they're set to DVD size, every time you make a backup you have to change from C:\program files (x86)\Steam\backups and set the DVD size again.)

Backups stay up to date, no longer need to redownload updates if reinstalled.

if I give it a directory, scan the subdirectories: and then, a checklist, with titles and file sizes would be very helpful on what I want to restore.

Option to shut down Steam (and/or computer) when download(s) are finished.

Fix the pause and resume to work correctly for multiple downloads.

Add an "Advanced Management" button on the download page to quickly open steam -> settings -> downloads, instead of going through the menus.

Inform of downloading fail in a way that will be notice

Warn the user if the game is going to fill up all Hard Disc memory

enable User to select download priority select what game to download first and which last

Add a cancel function so that the download disappears from the queue.

Drop and drag game list to prioritize the downloads.

P2P download option

Ability to download game demo even if you own said game

Ability to launch games while still downloading them

Shutdown PC when done downloading if checked

Cloud Files should take priority over whatever is downloading

BUG When Family Sharing a library, if a free to play game that the user doesn't own is shared, the user cannot download that game on his profile until he completely removes the family sharing.

Show the original release date in the new release and not the Steam release date

Make the backgrounds for each game fullscreen.

Full DRM disclosure
(Example: Things like data usage, install limits, remote unlicencing, Rootkitting, Process watching)

Buy missing DLC button
(Example: Would add all the DLC you are missing for that specific game to the cart.)

Require DLC to be listed in a category, only certain categories can show up on the "Coming Soon" store feed.
(Example: "Costume" DLC would not be shown in "Coming Soon" or "Game Play" and "Map" would. Problem is right now MTG2014 is showning all it's foil deck DLC which is really just a "Skin"/"Costume" and is flooding the feed.)

Compare detected hardware to the system requirements of the game to show what might be lacking or what could be a problem. Put a disclaimer to tell the user this is not a definate answer but a guide to as how their PC might perform. Also a color overlay or outline of the games on the list, yellow for meeting min requirements and green for meeting/exceeding suggested requirements and red for not meeting any.

Ability to select DLC with checkboxes then click a "Add all to Cart" button to add them all to your cart.

Add new "releated DLCs" on game page for all dlc related to that game and get a quick view via slider, instead of loading each page for each DLC you want to check.

Add new "related games" on the game page for games like or part of the series, easier to get to each game in the series rather than researching for it.

Add multiple DLC from game page to Wishlist without having to go to each DLC.

Max number of local/online players on game details

Assign the engine used, preferably in the system requirements part.
(Example: Flash, Unreal, CryEngine, Homebrewed)

Add what resolutions the game supports and if it supports fullscreen and windowed modes.

When reviews are made select your OS, when viewing reviews being able to filter by a OS

Reviews able to sort by date created, hours played

Visually color various forms of content different colors on the store feed to easily identify which type it is.
(Example: basic black for games, Cyan/light blue for alpha/beta/"living" (AKA always updating games that try not to be called beta/alpha). Light green for software.)

Do not show recommended games already in the wishlist.

Stat based ranking by using users library category tags as reference for keyword searched for.
(Example: CounterStrike has 1000 FPS tags, it would rank higher on the search list than something with 500 FPS tags)

Early Access games should be labeled as such on the daily deals and the checkout.

Be able to buy multiple copies of games and set gifting or straight to inventory all in one cart and transaction rather than multiple carts and transactions.

Allow the ability to gift a game your friend already has.
(Example:You don't have to go through the extra step of trading just to give them the copy that they are giving to someone else not on your friends list.)

Ability to set a sales price on a specific game, if that game goes on sale or cuts to that price or below it would auto buy the game with the avaliable steam wallet funds.

Allow custom amounts on Steam wallet funds.

Button to clear your complete cart.

Ability to buy soundtracks and extras without owning the game

Remove Steam Wallet as default payment option

Ability to add "other" editions to wish list.
(Example: GOTY and ultimate editions as well as add collections or bundles)

Sales email to detect games that are in bundles or collections or different editions that have been put in the wishlist. So if one game out of the series is on sale or a different edition, the user would still be notified.

Ability to add games that you already own for gift reasons.

Ability to follow a developer and get a feed of their games as they come out. This would be a new tab within the wishlist area, not part of the wishlist. Should be a different list all together.

Option for sorting by Metacritic rating, and displaying the rating

Add to Cart button on list

See expiration date of sale

Remove game from wishlist even when redeemed by key

Have wishlist automatically save when changing spots

Live chat support for billing and account issues only.

Issue tracking system.

File support tickets through client

• Badges: Fix A-Z sorting, it is not sorting correctly.
  
• Badges: Add a link to that card's market page
  
  
• Chat: Emoticons
  
  
• Client: Get rid of "New" on menu bar
  
• Client: A way to force Steam to update without having to restart Steam.
  
• Client: Better support for non-steam games, they disappear too often.
  
• Client: Fix the editor cursor, it no longer shows the position you are typing.
  
• Client: Make cloud saves more stable.
  
• Client: Make chat available in browser.
  
  
• Download Manager: Set time to start dls so users with bandwidth caps can dl during "free" times.
  
• Download Manager: Max download rate so the download stream can be filtered by other services on the network.
  
  
• Profile: A total achievement revamp "Card/Badge System"
  
• Profile: More control over the visibility of what is offered on my profile.
  
• Profile: Game count on the profile should only count full games and not DLC
  
  
• Trading: Different chat window for trading.
  
• Trading: Ability to invite trades without adding people to friends list. "Trade Offers"
  
• Trading: Ability to allow trader to view entire or parts of a inventory during a trade.

• Account: Family Accounts
  
• Reviews: A revamped recommendation/review system

BUG: In the advanced search you can not filter the games list by "platformer"

Markup of already owned DLC

Markup of already owned games
As it is now, the only way to see if a game is owned is to view its Store page. A way to see it in other Steam pages (hubs, front page, friends profiles) would make buying not owned games much faster.

Ability to rearrange the Store's main page

Ability to sort by a dollar amount and price range, min/max.

On the ajax search results there needs to be a way to save where on the list you are since when viewing a store page and going back you have to start on page 1 again.

Advanced string search

a way to search "for these words in this exact sentence",
a way to search for all these words / +all +these +words,
a way to search for anything -without -these -words,
a way to search for this OR that / this|that,
a way to sort the results,
a way to limit the results,
a way to search for tags&categories, such as [coop]+[controller]+[online_coop].

Highlight already owned games when viewing lists

Remove 100 item cap for the specials tab on the homepage to show all items on specials

Bug - There's no way to do a filtered search to find a specific game updates. You can only choose between search or filter. Having a better way to find all the update changelogs for a game is essential. (http://steamproxy.net/steamstore/news/)

Ability to order the specials by discount level or price

Ideally put Early Access Games and Software in their own tabs unselected by default. Optionally add filters that save to only show certain "genres" of games in the feed.
(Example: If I filter to not show those genres in the store feed.)

Search by year or multiplayer categories

More specific genre explanitions
(Example: First Person Shooter, Third-person shooter, Hack and Slash etc) (Tags Beta)

Add user defined keywords for those that own the game to perfect a game's genre (Tags Beta)

Restrict the developer/publisher from adding too many genres to their game (a limit). Theres a lot of games that are in a lot of genres they don't belong in.

Add user defined keywords for those that own the game to perfect a game's genre

A way for developers to add important "You have read and agree to..." boxes to ensure the user knows the requirements and system specs before commiting to purchase.

Actual number of positives vs. negitive views

Add new search filters: sandbox and local multiplayer. (Tags Beta)

Show current 5 price listings on the market for cards you dont have
(Example: The same area where it tells you if a friend has that card or not.)

Allow emoticons on profile and profile showcase text items.

Link to "compare to world" for achievements of a game in the game listing.

Remove Yugoslavia and Montenegro from the countries list, it doesn't exist. Add Serbia.

Show the target of the link the mouse pointer is on.

Show a icon by the link to show if it will open up in the browser or client.

Ability to disable event and group notifications from coming up, this can sometimes crash games.

Correctly saved window sizes.
(Example: if you maximize the window size and restart, it incorrectly saves the window size.)[/b]

Allow the uninstalling of free weekend games that can't be accessed via library anymore.

Limit the discussion area per game to actual owners, have a sub forum or FAQ for non-owners so they can ask questions. This will stop all the trolling from non-owners on a specific game.

Fix emoticons in quoted posts to work and parse correctly.

Better search filters and accuracy

Add Steam for Linux Link

(Example: Find posts in a date range, search by tags)

BUG: After posting a new post in a thread, and exiting from it. The thread shows not read but it is just my original post.

Have a full search on a given user Post/thread history.
(Example: Right now, the "View posts" link on our profiles restricts the listing to post made on that subforum, not all the posts. It gives a biased view of anyone's post history I can be a nice guy on the general forum, but a troll and an idiot on the TF2 subforum.)

Real Time Updating on item listing

On resolution of 1680x1050 the sell button is too small.

Show what friends also have the same game when viewing game in library.

Make DLC independent of the game itself. Be able to switch DLC on or off.

Collapse All
(Example: Sometimes every catagory is open in the Library if looking at a diffrent section then going back.)

Being able to hide games from the library
(Example: by creating an "archive" section)

Show icons for DLC in the wishlist.

Ability to send as a gift, backgrounds and emotes to friends

Option to show FPS in overlay

When in big picture mode pressing the home button will open the Overlay

Option to Set date to send gift copy of a game

When verifying the game cache allow the user to still use the Steam client.

Button to buy all remaining cards from a set

Option to hide friendslist from profile completely

high-DPI support (Windows 10 after Creators Update)

Make group chat available in browser.

Ability to send files in chat (Images was added on beta)

Add HTTPS support to all store pages

Visually color games marked as not interested and remove them from upcoming list